{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:3FD2MBMTVMYL2DHATHWFGHOX6W","short_pith_number":"pith:3FD2MBMT","canonical_record":{"source":{"id":"1309.3537","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2013-09-13T18:47:29Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"eeb98793a95a89b9e797d86f44b0b91cac44df3caf4a1ec52b36f8c28676fce1","abstract_canon_sha256":"c27a216087bceba87f28254f2fdd0bb9b9b64353db547ae84f0b3828f2ec883b"},"schema_version":"1.0"},"canonical_sha256":"d947a60593ab30bd0ce099ec531dd7f58a79d52f8908278a3deaabfbc8edaace","source":{"kind":"arxiv","id":"1309.3537","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.3537","created_at":"2026-05-18T01:47:41Z"},{"alias_kind":"arxiv_version","alias_value":"1309.3537v2","created_at":"2026-05-18T01:47:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.3537","created_at":"2026-05-18T01:47:41Z"},{"alias_kind":"pith_short_12","alias_value":"3FD2MBMTVMYL","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3FD2MBMTVMYL2DHA","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3FD2MBMT","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:3FD2MBMTVMYL2DHATHWFGHOX6W","target":"record","payload":{"canonical_record":{"source":{"id":"1309.3537","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2013-09-13T18:47:29Z","cross_cats_sorted":["cond-mat.soft"],"title_canon_sha256":"eeb98793a95a89b9e797d86f44b0b91cac44df3caf4a1ec52b36f8c28676fce1","abstract_canon_sha256":"c27a216087bceba87f28254f2fdd0bb9b9b64353db547ae84f0b3828f2ec883b"},"schema_version":"1.0"},"canonical_sha256":"d947a60593ab30bd0ce099ec531dd7f58a79d52f8908278a3deaabfbc8edaace","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:41.945711Z","signature_b64":"jU5LIi9T0AOwyLHStclmv47tFsbmwLj4PhE02SsyjULmh5Mh67voq5haYgBCVZp/ORMTlPw1LLWf+NQVi87LDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d947a60593ab30bd0ce099ec531dd7f58a79d52f8908278a3deaabfbc8edaace","last_reissued_at":"2026-05-18T01:47:41.945250Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:41.945250Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.3537","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:47:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RW1T0ZGRrw9paBXkwLPD4dslJJTBfLoKqp78vEod2N48TVJTPK75qgzx+ueMvdhVLKn8gvUsjd14HmoQG9xPCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:11:56.850912Z"},"content_sha256":"49f52451073c86e6167c894bca77e8a191fd2961ed788e88820f9c5911ee856e","schema_version":"1.0","event_id":"sha256:49f52451073c86e6167c894bca77e8a191fd2961ed788e88820f9c5911ee856e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:3FD2MBMTVMYL2DHATHWFGHOX6W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Self-healing Dynamics of Surfactant Coatings on Thin Viscous Films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.soft"],"primary_cat":"physics.flu-dyn","authors_text":"Cameron Conti, Karen E. Daniels, Matthew Hin, M. Richard Sayanagi, Rachel Levy, Stephen L. Strickland","submitted_at":"2013-09-13T18:47:29Z","abstract_excerpt":"We investigate the dynamics of an insoluble surfactant on the surface of a thin viscous fluid spreading inward to fill a surfactant-free region. During the initial stages of surfactant self-healing, Marangoni forces drive an axisymmetric ridge inward to coalesce into a growing central distension; this is unlike outward-spreading, in which the ridge decays. In later dynamics, the distension slowly decays and the surfactant concentration equilibrates. We present results from experiments in which we simultaneously measure the surfactant concentration (using fluorescently-tagged lipids) and the fl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.3537","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:47:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GyJSPgfZnzvX0fdrr1a9oiaxAuiS9s0GzW5HfZ/zVUX+JA0nOm+UcXzlToQ/yBTxmPoYVzNrUaGLzFEuovgPBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T21:11:56.851641Z"},"content_sha256":"df8aea59727093a2d5725b97977a2de0590663e12bf9011c02fc0067099a1472","schema_version":"1.0","event_id":"sha256:df8aea59727093a2d5725b97977a2de0590663e12bf9011c02fc0067099a1472"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3FD2MBMTVMYL2DHATHWFGHOX6W/bundle.json","state_url":"https://pith.science/pith/3FD2MBMTVMYL2DHATHWFGHOX6W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3FD2MBMTVMYL2DHATHWFGHOX6W/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-01T21:11:56Z","links":{"resolver":"https://pith.science/pith/3FD2MBMTVMYL2DHATHWFGHOX6W","bundle":"https://pith.science/pith/3FD2MBMTVMYL2DHATHWFGHOX6W/bundle.json","state":"https://pith.science/pith/3FD2MBMTVMYL2DHATHWFGHOX6W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3FD2MBMTVMYL2DHATHWFGHOX6W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:3FD2MBMTVMYL2DHATHWFGHOX6W","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"c27a216087bceba87f28254f2fdd0bb9b9b64353db547ae84f0b3828f2ec883b","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2013-09-13T18:47:29Z","title_canon_sha256":"eeb98793a95a89b9e797d86f44b0b91cac44df3caf4a1ec52b36f8c28676fce1"},"schema_version":"1.0","source":{"id":"1309.3537","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.3537","created_at":"2026-05-18T01:47:41Z"},{"alias_kind":"arxiv_version","alias_value":"1309.3537v2","created_at":"2026-05-18T01:47:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.3537","created_at":"2026-05-18T01:47:41Z"},{"alias_kind":"pith_short_12","alias_value":"3FD2MBMTVMYL","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3FD2MBMTVMYL2DHA","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3FD2MBMT","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:df8aea59727093a2d5725b97977a2de0590663e12bf9011c02fc0067099a1472","target":"graph","created_at":"2026-05-18T01:47:41Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We investigate the dynamics of an insoluble surfactant on the surface of a thin viscous fluid spreading inward to fill a surfactant-free region. During the initial stages of surfactant self-healing, Marangoni forces drive an axisymmetric ridge inward to coalesce into a growing central distension; this is unlike outward-spreading, in which the ridge decays. In later dynamics, the distension slowly decays and the surfactant concentration equilibrates. We present results from experiments in which we simultaneously measure the surfactant concentration (using fluorescently-tagged lipids) and the fl","authors_text":"Cameron Conti, Karen E. Daniels, Matthew Hin, M. Richard Sayanagi, Rachel Levy, Stephen L. Strickland","cross_cats":["cond-mat.soft"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2013-09-13T18:47:29Z","title":"Self-healing Dynamics of Surfactant Coatings on Thin Viscous Films"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.3537","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:49f52451073c86e6167c894bca77e8a191fd2961ed788e88820f9c5911ee856e","target":"record","created_at":"2026-05-18T01:47:41Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"c27a216087bceba87f28254f2fdd0bb9b9b64353db547ae84f0b3828f2ec883b","cross_cats_sorted":["cond-mat.soft"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.flu-dyn","submitted_at":"2013-09-13T18:47:29Z","title_canon_sha256":"eeb98793a95a89b9e797d86f44b0b91cac44df3caf4a1ec52b36f8c28676fce1"},"schema_version":"1.0","source":{"id":"1309.3537","kind":"arxiv","version":2}},"canonical_sha256":"d947a60593ab30bd0ce099ec531dd7f58a79d52f8908278a3deaabfbc8edaace","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d947a60593ab30bd0ce099ec531dd7f58a79d52f8908278a3deaabfbc8edaace","first_computed_at":"2026-05-18T01:47:41.945250Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:47:41.945250Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jU5LIi9T0AOwyLHStclmv47tFsbmwLj4PhE02SsyjULmh5Mh67voq5haYgBCVZp/ORMTlPw1LLWf+NQVi87LDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:47:41.945711Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.3537","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:49f52451073c86e6167c894bca77e8a191fd2961ed788e88820f9c5911ee856e","sha256:df8aea59727093a2d5725b97977a2de0590663e12bf9011c02fc0067099a1472"],"state_sha256":"3c6df69e9c212392f84389468532da7b9c17ea15e2dbf89ed7ac677e528d2ebb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F45RkMaWtgGJtmNfYx29nNSgU3mm20t0cihbItj482fEstznMQIzr9EB4p97ugWpuTge/bA6eGpDqxzL7fV7Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T21:11:56.854639Z","bundle_sha256":"27e9498ff2087b54104305a89aeb66a1b9a09c3f9eca9b5dd9d858cee07e12e9"}}